1、阶段专题复习Unit 3,情态动词could的用法【观察领悟】仔细观察例句,然后判断哪些句子表示请求,哪些句子表示请求允许,分别在括号内标出(Write R for requests and P for permission),1.Could you please clean your room?()2.Could you take out the rubbish?()3.Could you please take the dog for a walk?()4.Could I use your computer?()5.Could we get something to drink after
2、 the movie?()答案:15.RRRPP,【探究总结】1.could表示委婉地请求,其句型结构主要有:(1)Could you+动词原形+.?(2)Could you please+动词原形+.?意为“请你做好吗?”句型(2)比句型(1)语气更加委婉。肯定回答:Yes,sure./Sure./Of course./No problem.否定回答:Sorry./Sorry,I cant.,2.could表示请求允许,其句型结构为:Could I/we+动词原形+.?意为“请问我(们)能做吗?”肯定回答:Sure./Of course./No problem.否定回答:Im sorry/S
3、orry,you cant.若关系比较亲近,也可以直接说No,you cant.【温馨提示】在以上句子结构中情态动词could不是can的过去式,而是用来表示委婉语气,后跟动词原形。,【实战演练】完成句子。1.请你教我如何制作香蕉奶昔好吗?好的,当然可以。_you please _me how to make a banana milk shake?_,_.答案:Could;teach;Yes;sure,2.请你把我们的院子打扫一下好吗?当然可以。_you please _our yard?_/_/_ _/_ _/_ _.3.请你帮我洗车好吗?对不起,我不能。我必须去上学。Could you
4、please help me wash the car?_,_ _.I have to go to school.答案:2.Could;sweep;Sure/Certainly/Of course/No problem/All right 3.Sorry;I cant,4.我能坐在这儿吗?是的,你可以坐这儿。_I _here?Yes,you_.5.我能借一下你的电动车吗?对不起。我得骑车外出。_I _your e-bike?_.I have to ride it to go out.答案:4.Could;sit;can 5.Could;borrow;Sorry,本单元以“家务、杂务”为话题,围
5、绕这一话题,引导学生学习掌握情态动词could表示委婉地请求以及请求许可的用法。以谈论家务以及对家务喜欢与不喜欢的原因和理由为话题的作文或是请求他人帮忙的电子邮件之类的书面表达是单元测试或中考所常考查的。,【习作在线】假如你是Tom,这个周末你与父母去海滨度假,你的宠物猫需要好友Jim帮忙照顾,请给Jim留言。Dear Jim,_Thanks,Tom,【思路点拨】(1)体裁:_。(2)人称:_。(3)时态:_。,记叙文,第二人称,一般现在时,【佳作鉴赏】Dear Jim,My parents and I are going to the beach for vacation this week
6、end.But we cant take our cat;I need your help.Could you please take care of her?Could you please do these things every day?Give her water and feed her three times a day.Then wash her bowl.If you have more time,please play with her or take her for a walk.Dont forget to clean her bed every night.Have
7、fun!See you next Monday.Thanks,Tom,.词汇速记1.杂乱,不整洁(n.)2.给;递;走过;通过(v.)3.厌恶;讨厌(v.)4.浪费;滥用(n.)5.提供;供应(v.)答案:1.mess2.pass3.hate4.waste5.provide,6.发展;壮大(v.)7.throw(v.)(过去式)扔;掷8.lend(v.)(过去式)借给;借出9.fair(adj.)(n.)公正性;公平合理性10.independent(adj.)(n.)独立答案:6.develop7.threw8.lent9.fairness10.independence,.短语互译1.倒垃圾
8、_ _the rubbish2.扫地;拖地 _ the floor3.目的是;为了_ _ to4.依靠;信赖 _ on5.do chores _6.all the time _7.take care of _答案:1.take out2.sweep3.in order 4.depend5.做家务;处理琐事6.频繁;反复 7.照料;爱护,.句型攻关1.请你把教室打扫一下好吗?_ _ _clean the classroom?好的,当然可以。Yes,_.2.我能用一下你的钢笔吗?_ _ _your pen?不,你不能。我正在写信。_,you_.Im writing a letter.答案:1.Co
9、uld you please;sure2.Could I use;No;cant,3.现在我能和朋友去逛街吗?_ _hang out with my friends now?当然能,但你得先把餐具洗一下。_,_you_ _ _the dishes first.答案:Could I;Sure;but;have to do,.词汇串记“Do the dishes.1(打扫)the floor.Take out the rubbish.2(叠)the clothes.”Do your parents say these things to you?Of course they do.Why?Well
10、,someone has to do it.They are3(家务;杂务)small everyday duties.You may get money for doing a chore or you may not.Parents and other people dont always give orders.Sometimes they ask.,How do you ask politely?Well,in English,the word“4(能;可以)”is often used for requests.When your mom says“Could you please5
11、(整理床铺)?”she is asking you“politely”to do a chore.In fact,doing chores can help to develop childrens6(独立)and teach them how to7(照顾;照料)themselves.It can also help them to understand the idea of8(公平).After all,they cant9(依靠)their parents too much all the time.,When asking for permission,you can also us
12、e the word“could”.For example,you can say“Could I borrow.?”when you want10(借)something from others.1.2.3.4.5.6.7.8.9.10.答案:1.Sweep2.Fold3.chores4.could5.make the bed6.independence7.take care of/look after8.fairness9.depend on10.to borrow,1.(2013济南中考)Could Iyour iPad,Alice?Of course.Here you are.A.le
13、nd B.keep C.borrow D.return【解析】选C。考查动词辨析。lend借给,借出;keep借用(一段时间);borrow借,借用;return归还。问句句意“爱丽丝,我可以借用你的苹果平板电脑吗?”,故选C。,2.(2013黄石中考)I cant play the piano,and.A.neither can my sister B.my sister cant,tooC.so cant my sister D.can my sister,either【解析】选A。考查固定句式。句意:我不会弹钢琴,我妹妹也不会。表示“也不”,用neither,置于句首,表示前面的否定的内
14、容也适合另一个人或物时,句子要用倒装语序。故选A。,3.(2013雅安中考)It is important _ people _ learn team spirit.A.of;of B.of;toC.for;to D.to;to【解析】选C。考查固定句式。Its+adj.+of/for sb.to do sth.意为“对某人来说做某事是的”,是固定句式,其中it是形式主语,真正的主语是后面的动词不定式;句中的形容词important用来描述事情的特点,用介词for,故选C。,4.(2013临沂中考)There was thick haze(雾霾)in our city this spring.
15、What do you think of it?I thinkcars we drive,pollution our city will have.A.the fewer;the fewer B.the fewer;the lessC.the more;the fewer D.the more;the less【解析】选B。考查固定句式。“the+比较级.,the+比较级.”句式表达“越,就越”。答语意为:我认为我们开车越少,我们城市的污染就越少。fewer“较少的”,是few的比较级形式,修饰可数名词;less“较少的”,是little的比较级形式,修饰不可数名词。故选B。,5.(2013兰
16、州中考)A direct order like“Daisy,pass me the book”sounds rude.Wed better say,“”A.Daisy,could you please pass me the book?B.Daisy,I wonder if can you pass me the book.C.Daisy,give me the book!D.Daisy,I wonder you can pass me the book.,【解析】选A。考查固定句式。Daisy,could you please pass me the book?“戴西,你能递给我那本书吗?”,语气客气委婉,Could you please.?是委婉的提出请求时的常用句式。Daisy,give me the book!“戴西,递给我那本书!”语气生硬。B、D两项本身表达有误,排除。故选A。,
